title: Differential action of penicillin and uv-light on endosymbionts of the ciliate Euplotes crassus.
mesh_terms: D000818:Animals; D001419:Bacteria / Q000187:drug effects / Q000528:radiation effects*; D002455:Cell Division; D016798:Ciliophora / Q000382:microbiology* / Q000502:physiology / Q000648:ultrastructure; D008854:Microscopy, Electron; D010406:Penicillins / Q000494:pharmacology*; D013559:Symbiosis / Q000187:drug effects / Q000528:radiation effects*; D014466:Ultraviolet Rays
chemical_list: D010406:Penicillins